Draft and buffing gear for cars.



I.' 0. WRIGHT. DEAI'TAND BUFFING GEAR PGB. GARS..

'Patented @1161,1909.

-AlaLmATroN FILED APB. '1. 190s.

.illu- :1145114444445 WTNESSES f Adame] v narran estaras ortica.

IRA ORV ILLE WRIGHT, OF BALTIMORE, MARYLAND, ASSIGNOR TO FA-RLOWiDR'AFT GEAR COMPANY, OF BALTIMORE, MARYLAND, A CORPORATIONOF DELAWARE.

` DRAFT-AND BUMFFING GEAR FOR T o all whom it may concern:

'a citizen of the United States, residing at` 'Baltimore city and State of Maryland, have invented new and useful Improvements in Draft and Bufling Gear for Cars, of which the following is a specification. The objectvof my invention is the provision of a draft and bu'llng gear so construct; ed and arranged that the momentum or vvis 'viva of the locomotive or locomotive and cars at the front of the car to which the gear is applied, or of the car or cars at the rear thereof, or of the car itself,.will be transformed into the workof compressingsprings and kmoving friction surfaces one upon another, thereby preventing damage to or the destruction'of the frame of the car.

The invention consists in certain novelties of construction and the combination of parts hereinafter set forth'and'pointed out in the claims.

The accompanying drawings illustrate one example of thephysical embodiment of the invention constructed and applied according to the best mode l haveso far devised for the practical application of the principle. y

Figure 1 is a top plan viewof a part ofthe floor frame of one end of a car with the gear applied'. Fig. 2 is a vertical longitudinal sec? tion ofFig'. 1 on line :v -z. AFig. 3 is a section of Fig. 2 on line 3-3. Fig. 4 is a section of Fig. 2 online 4 4. Fig. 51s a plan viewv of4 the rear follower abstracted from thenssernbled gear as shown in Fig. 2 and turned tol an angle of 90 degrees from the relative position it occupies in Fig. 2 showing the two parts thereof united by the rear ke'y and slightly separated to'more clearly illustrate the construction. Fig. 6 shows one of the friction 4 shoes.

Referring to the several figures, the numeral 1 desi' car door, in t 's instance consisting of metallic channel beams with their flanges extendfollower block located at the end of .thdraw bar 8, a rearwardly proj ectino friction Wedge o1' extension of the follower block, inthis inspecification of 'Letters Patent. Application filed April 7,'` 1908. Serial No. 425,750.

' element having a nates the center stringere of a.

Patented .Tune 1, 1909.

stancev integral therewith, and having oppo- Be it known that l, IRA ORVILLE 'Vf RIGHT, v

site inclined frictional surfaces 9, 9, the angular disposition of the surfaces to veach other .of substantially identical construction and shape, each lever having a hole 12, an arm 13 provided with a lug or extension` 14to enter and support va coiled spring, and an arm 15 with a perforatedboss 16 having a convex surface 17, as shown, 18, la friction shoe or friction surface 19, a con cave seat to receive the boss 16, and-'two perforated lugs or bosses 20, 20, the perforations being in line with the perforation through the boss 16 at the end of the lever arm, 21, a pin located in. the perforations of the bosses 16 and 20, the parts being so fashioned that the y shoeA may have a slight rotary motion about the axis of the pin as av center; 22, draft links, each having three slots or holes, the two slots adjacent the end of the draw bar being elongated', 23,v a rear key passed through-the rear slots .1n `the webs of the channel beams and cheek plates, the rear slots or holes in the draft link s, and through the holes in the two levers, the -said key constituting a common fulcrum for the two-levers, the same being stationary in buffng and forwardlymovable.-

with the followerv in drawing; 24, a key passed through the middle slots in the chan#V nel beams, cheek plates and draft links, and

also through the slot in thefront follower I block; 25, a front key -passed through-"the front slots'in the channel beams, cheek plates and draft links,A nd also through the slot 4in the-draw bar 26,

the 'draw bar and 28 designates coiled springs located between the lever arms 13 and .the front follower block.

Upon reference to Fig. 5 it will be observed that the ends of the lever arms 13 and 15 are offset at the ends so that' the.' lugs or bosses for supportin the springs, and the shoes will be substantia ly in the same plane.

The parts being in their normal relative positions, as shown inv Figs. 1 and 2, the modus voperandi is as follows: In drawing the draw barand cou ler, the front key', the rear key, the rear fol ower .and the links move forwardly. The front follower block and a. lug' upon the -front follower block seated within a recess 27 in the end of n rotates the lever arms io,.,fron t key, front` sure of the springs,

and friction. wedge move rearwardly.

l lever arms 15 and foices the shoes against the that I have provided a gear which attains the levers; and a fulcrum pin or within the perforations of the levers; one

lug to support a spring',

ii'iclined surfaces 9, 9 of the rearwardly moving4 friction. wedge.

from the foregoing description taken in drawings it will be seen connection with the end set forth as the obj ect of my invention.A

What I claim is: 1. The combination in a draft and bufiing gear, of a follower comprising two perforated A bar located arm i f each lever being provided with a lug to support va spring, and the other arm having a friction surface.

2. gear, of a follower comprising two perforate levers; and a movable fulcrum pin or bar located within the perforations of the levers; one arm of each lever being provided with a and the other arm having a friction surface.

3. The combination in a draft and bufiing gear, of a follower comprising two perforated levers; and 'a fulcrum pin` or bar located within the perfor-ations of the levers; one' arm of each lever being provided with means for supporting a spring, and the other arm having ya friction shoe.

The combination in a draft and buffing gear, of a follower comprising two perforated levers A: and a vfulcrum pin or bar located within the perforations of the levers; one arm of each lever being provided with means for supporting the end of a spring,- and theV other arm having a pivoted frictionshoe..

5. The combination in a draft and buffing gear, of a follower comprising two perforated levers; and a fulcrum pin or bar located within the perforations of the levers; the arms of each lever being angularly disposed each to the other.

6. The combination in 4a draft and buffin gear, of a follower comprising two perforated levers; and a fiilcruin pin or Abar located within the erforations of the levers; one arm of'each ever being provided with a lug to support a spring, andthe other'arm havl wedge and means The combination ina draft and buHi-ig l ing a friction surface, the lugs and friction i surfaces being offset.

7. The combination in a draft and buffing gear, of a follower provided with a friction wedge and means and another follower comprising two one arm of each lever' being provided with meanswfor supporting a'spring and the other arm having a friction surface torengage the friction wedge.

8. The combination in adraft and buffin'g gear, of a follower provided with afriction wedge and means for supporting springs; and another follower comprising two evers, one arm of each lever being provided with means for supporting a spring and the other arm having a friction wedge. v

9. The combination in a draft and buffing gear, of a follower provided with a 'friction for supporting s rings; and another follower comprising two evers,"qne arm of' each lever being provided with means having a pivoted friction shoe.-

10. A follower block vfor a .draft and buffing gear having lugs for supporting the-ends of springs and a friction wedge.v

11. A follower for a draft and buffing gear consisting of two levers', one arm of each having means for supporting a spring and the other arm a friction surface; the said levers beingperforated to receive a common fulcrum pin'or bar. I

12. A follower for a draft and buffing gear consisting of two levers, one arm of eac having. means for supporting a spri and the other arm a friction shoe; thesaid evers being perforated to receive a common fulcrum pin or bar. Y

13. The combination in a draft and buffing gear, of a slotted follower block having i a friction wedge; a follower comprising two g a friction surface and the other arm means for supporting cushioning means; a fulcruni pin Vor bar;- akey; and cushioning means between the followers.

14. The combination in a draft and buffing gear, of a perforated follower block having a wedge; a vfollower comprising two perforated pivoted levers with friction surfaces to engage the, wedge; s rings between the followers; keys for the fo owers a draw bar; J'and means connecting the draw bar and rear follower.

In testimony whereof I affix my signature in presence of two witnesses.

" IRA ORVILLE WRIGHT.

` perforated levers, one arm Witnesses:

B. S. JoHNsoN, e C; W. Suirirnns.

for supporting aspring and the other armv for supporting s rings; evers,

friction shoe vto engage the' of each lever hav- 

